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Journal of Biological Sciences

Year: 2003  |  Volume: 3  |  Issue: 12  |  Page No.: 1095 - 1100

Effect of Low Level Feeding of Tylosin and Zinc Bacitracin on the Weight Gain and Immunity of Broiler Chicks Vaccinated Against Newcastle Disease Virus

Rahat Ali, M. Ashraf and Syed Muzaffar Hussain Bukhari


Present study was initiated to evaluate the effect of Tylosin and Zinc Bacitracin (at low level) on weight gain and immune response of vaccinated and non-vaccinated Broiler Chicks. For this purpose a 240-day-old chicks were divided into 3 groups, A (fed on Tylan Premix), B (fed on Albac) while C was non-medicated and non-vaccinated control group. These were further subdivided into two groups on the basis of vaccination against NDV. Results of this project revealed that low level feeding of Tylosin (Tylan Premix) and Zinc Bacitracin (Albac) did not interfere with development of the birds and their immune status.

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